/*
 * Copyright (c) 2010 Scott Morgan
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package captaintest.util;

public class Assert {

    public static void isTrue(boolean b){
        isTrue(b, "Value must be true");
    }

    public static void isTrue(boolean b, String message){
        if (!b){
            throw new IllegalArgumentException(message);
        }
    }

    public static void notNull(Object o){
        notNull(o, "Object must not be null");
    }

    public static void notNull(Object o, String message){
        if (o == null){
            throw new IllegalArgumentException(message);
        }
    }

    public static void equals(Object o1, Object o2){
        if (o1 != null){
            isTrue(o1.equals(o2), "Not equal");
        } else {
            isTrue(o2 == null, "Not equal");
        }
    }
}
